Preprint Hypothesis Version 1 Preserved in Portico This version is not peer-reviewed

The Earth's Gold: Where Did It Really Come From?

Version 1 : Received: 25 September 2018 / Approved: 25 September 2018 / Online: 25 September 2018 (08:47:51 CEST)
Version 2 : Received: 26 November 2018 / Approved: 28 November 2018 / Online: 28 November 2018 (04:57:01 CET)
Version 3 : Received: 14 April 2019 / Approved: 16 April 2019 / Online: 16 April 2019 (11:44:32 CEST)
Version 4 : Received: 21 July 2019 / Approved: 23 July 2019 / Online: 23 July 2019 (11:17:56 CEST)

A peer-reviewed article of this Preprint also exists.

Tito, E.P.; Pavlov, V.I. Hypothesis about Enrichment of Solar System. Physics 2020, 2, 213-276. Tito, E.P.; Pavlov, V.I. Hypothesis about Enrichment of Solar System. Physics 2020, 2, 213-276.


Why is it that in the neighborhood of a calm ordinary star (the Sun) located at the quiet periphery of its galaxy (the Milky Way), non-native heavy elements are abundant in such concentrated form? Where did these elements really come from? Where did Earth's gold come from? Our analysis of the known data offers a fact-reconciling hypothesis: What if, in the early solar system, an explosive collision occurred -- of a traveling from afar giant-nuclear-drop-like object with a local massive dense object (perhaps a then-existent companion of the Sun) -- and the debris, through the multitude of reaction channels and nuclei transformations, was then responsible for (1) the enrichment of the solar system with the cocktail of all detected exogenous chemical elements, and (2) the eventual formation of the terrestrial planets that pre-collision did not exist, thus offering a possible explanation for their inner position and compositional differences within the predominantly hydrogen-helium rest of the solar system.


hypothesis; collision; heavy elements; solar system


Physical Sciences, Astronomy and Astrophysics

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